* string.c (trnext): should enable backslash escape.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Jan  5 02:14:45 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* string.c (trnext): should enable backslash escape.
+
 Sat Jan  5 01:50:32 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (Init_eval): move instance_eval and instance_exec to

string.c

@@ -3481,6 +3481,9 @@ trnext(struct tr *t, rb_encoding *enc)
     for (;;) {
 	if (!t->gen) {
 	    if (t->p == t->pend) return -1;
+	    if (t->p < t->pend - 1 && *t->p == '\\') {
+		t->p++;
+	    }
 	    t->now = rb_enc_codepoint(t->p, t->pend, enc);
 	    t->p += rb_enc_codelen(t->now, enc);
 	    if (t->p < t->pend - 1 && *t->p == '-') {